Please help me with this

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.

Which angle has the same measure as the dehedral angle formed by the orange face and the purple rectangle